Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,994 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 841–900 of 8,994 contractors

1. Air Treatment Corporation

   Brea, CA · CSLB #793078 · as of June 27, 2026
   Active · clear
2. Air Trend

   Simi Valley, CA · CSLB #323857 · as of June 27, 2026
   Active · clear
3. Air Trim Heating And Air Conditioning

   Glendora, CA · CSLB #931805 · as of June 27, 2026
   Active · clear
4. Airtronix INC

   Santa Ana, CA · CSLB #950389 · as of June 27, 2026
   Active · clear
5. Airtrust Mechanical A/c & Heating

   Los Angeles, CA · CSLB #974512 · as of June 27, 2026
   Active · clear
6. Air Tyme Ac & Heating Service INC

   Chino, CA · CSLB #1024356 · as of June 27, 2026
   Active · clear
7. Airvengers LLC

   Oakdale, CA · CSLB #1068977 · as of June 27, 2026
   Active · clear
8. Air Vista INC

   Huntington Beach, CA · CSLB #554338 · as of June 27, 2026
   Active · clear
9. Airwave Mechanical INC

   San Marcos, CA · CSLB #996826 · as of June 27, 2026
   Active · clear
10. Airwaves HVAC INC

    Baldwin Park, CA · CSLB #1046774 · as of June 27, 2026
    Active · clear
11. Air Wave Technologies INC

    Tarzana, CA · CSLB #796755 · as of June 27, 2026
    Active · clear
12. Airway Heating & Air

    Nipomo, CA · CSLB #923588 · as of June 27, 2026
    Active · clear
13. Airway Heating & Air Conditioning

    Manteca, CA · CSLB #820367 · as of June 27, 2026
    Active · clear
14. Air Well Air-conditioning And Heating

    Van Nuys, CA · CSLB #585200 · as of June 27, 2026
    Active · clear
15. Airwerks INC

    Chino, CA · CSLB #939296 · as of June 27, 2026
    Active · clear
16. Airwerx Commercial Services INC

    Alpine, CA · CSLB #915127 · as of June 27, 2026
    Active · clear
17. Air West Mechanical Construction INC

    Norwalk, CA · CSLB #868570 · as of June 27, 2026
    Active · clear
18. Air - Wolf

    Hollister, CA · CSLB #604620 · as of June 27, 2026
    Active · clear
19. Air Wolf Energy Efficiency Systems

    Penn Valley, CA · CSLB #953463 · as of June 27, 2026
    Active · clear
20. Airwork

    Glendale, CA · CSLB #1148919 · as of June 27, 2026
    Active · clear
21. Airworks

    Murrieta, CA · CSLB #598621 · as of June 27, 2026
    Active · clear
22. Vincent James Mosca DBA Air.works

    Thousand Oaks, CA · CSLB #768619 · as of June 27, 2026
    Active · clear
23. Air Works Heating And Cooling

    Salinas, CA · CSLB #683893 · as of June 27, 2026
    Active · clear
24. Air- Works Heating & Cooling

    San Jose, CA · CSLB #1156195 · as of June 27, 2026
    Active · clear
25. Air Works_mechancial Services

    Santa Rosa, CA · CSLB #841860 · as of June 27, 2026
    Active · clear
26. Airworks Solutions INC

    Camarillo, CA · CSLB #950716 · as of June 27, 2026
    Active · clear
27. Air Worthy

    Fresno, CA · CSLB #993670 · as of June 27, 2026
    Active · clear
28. Airworx LLC

    Jamestown, CA · CSLB #1145677 · as of June 27, 2026
    Active · clear
29. Airxperts INC

    Buena Park, CA · CSLB #1069258 · as of June 27, 2026
    Active · clear
30. Airzone

    La Verne, CA · CSLB #846350 · as of June 27, 2026
    Active · clear
31. Air Zone Heating And Air Conditioning

    Riverside, CA · CSLB #840511 · as of June 27, 2026
    Active · clear
32. Air Zone Heating And Air Corp

    N Highlands, CA · CSLB #892038 · as of June 27, 2026
    Active · clear
33. Air Zone Heating And Cooling INC

    Tulare, CA · CSLB #997862 · as of June 27, 2026
    Active · clear
34. Air Zone HVAC INC

    Modesto, CA · CSLB #831574 · as of June 27, 2026
    Active · clear
35. Air Zone INC

    Alhambra, CA · CSLB #834356 · as of June 27, 2026
    Active · clear
36. Air Zone Mechanical

    San Leandro, CA · CSLB #953195 · as of June 27, 2026
    Active · clear
37. Aj Airtech INC

    El Centro, CA · CSLB #1045917 · as of June 27, 2026
    Active · clear
38. Ajax Heating And Air Conditioning

    Modesto, CA · CSLB #1157056 · as of June 27, 2026
    Active · clear
39. Ajax/sb Refrigeration

    Santa Barbara, CA · CSLB #718494 · as of June 27, 2026
    Active · clear
40. Ajb Heating And Air Conditioning

    Moreno Valley, CA · CSLB #1104316 · as of June 27, 2026
    Active · clear
41. A J Heating & Air Conditioning

    San Bernardino, CA · CSLB #982020 · as of June 27, 2026
    Active · clear
42. A & J Heating And Air

    Riverside, CA · CSLB #982418 · as of June 27, 2026
    Active · clear
43. Aj HVAC INC

    Harbor City, CA · CSLB #1117535 · as of June 27, 2026
    Active · clear
44. A J V Heating & Cooling

    Mariposa, CA · CSLB #818052 · as of June 27, 2026
    Active · clear
45. Ajx Air-conditioning And Heating

    Palm Coast, CA · CSLB #488161 · as of June 27, 2026
    Active · clear
46. Akaal Refrigeration INC

    Tracy, CA · CSLB #1015877 · as of June 27, 2026
    Active · clear
47. A K Air Systems

    Sacramento, CA · CSLB #1069402 · as of June 27, 2026
    Active · clear
48. Akko Heating And Cooling

    El Cajon, CA · CSLB #1074332 · as of June 27, 2026
    Active · clear
49. Ak Welding Solutions LLC

    Fillmore, CA · CSLB #1098566 · as of June 27, 2026
    Active · clear
50. Ala Air Conditioning

    Castaic, CA · CSLB #1108776 · as of June 27, 2026
    Active · clear
51. Al Aboosi Air

    El Cajon, CA · CSLB #1069741 · as of June 27, 2026
    Active · clear
52. A & L Air Conditioning INC

    Fresno, CA · CSLB #1124952 · as of June 27, 2026
    Active · clear
53. Harout Alajajian

    Granada Hills, CA · CSLB #1117918 · as of June 27, 2026
    Active · clear
54. Alamo Heating & Cooling INC

    Esparto, CA · CSLB #1082498 · as of June 27, 2026
    Active · clear
55. Alamo's Air

    Fresno, CA · CSLB #1073904 · as of June 27, 2026
    Active · clear
56. Alanis Air

    Escondido, CA · CSLB #1037596 · as of June 27, 2026
    Active · clear
57. Alanis Air HVAC

    Gilroy, CA · CSLB #1109420 · as of June 27, 2026
    Active · clear
58. Alaniz Heating & Air

    San Lorenzo, CA · CSLB #1044935 · as of June 27, 2026
    Active · clear
59. Alaniz HVAC Services

    Hayward, CA · CSLB #1120282 · as of June 27, 2026
    Active · clear
60. Alan's Air Conditioning & Heating

    Thousand Palms, CA · CSLB #922835 · as of June 27, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.